diff --git a/drivers/net/wireless/ath/ath9k/common-spectral.c b/drivers/net/wireless/ath/ath9k/common-spectral.c
index 21191955a7c1eb332e5917194df37a74802f0d2d..e055adfb5361b48004167623ce8db57d20541f2a 100644
--- a/drivers/net/wireless/ath/ath9k/common-spectral.c
+++ b/drivers/net/wireless/ath/ath9k/common-spectral.c
@@ -1053,7 +1053,7 @@ static int remove_buf_file_handler(struct dentry *dentry)
 	return 0;
 }
 
-static struct rchan_callbacks rfs_spec_scan_cb = {
+static const struct rchan_callbacks rfs_spec_scan_cb = {
 	.create_buf_file = create_buf_file_handler,
 	.remove_buf_file = remove_buf_file_handler,
 };